Mobile battery bank



FIG. 1 is a top perspective view of a mobile battery bank.

FIG. 2 is a top view thereof.

FIG. 3 is a bottom view thereof.

FIG. 4 is a front side view thereof.

FIG. 5 is a rear side view thereof.

FIG. 6 is a left view thereof.

FIG. 7 is a right view thereof; and,

FIG. 8 is a bottom perspective view thereof.

The broken lines in the drawings illustrate elements of the mobile battery bank that form no part of the claimed design. 

CLAIM The ornamental design for a mobile battery bank, as shown and described. 